The default trace automatically cleans itself up. It retains 5 files of no more than 20MB each, when it creates a new file it automatically deletes the oldest file.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass